Pith Number

pith:3COPXBQ5

pith:2018:3COPXBQ5NG6C3X3ORUGXYRPXVI

not attested not anchored not stored refs pending

The error bounds of Gauss quadrature formulae for the modified weight functions of Chebyshev type

Aleksandar V. Pejcev, Miodrag M. Spalevic, Ramon Orive

arxiv:1809.10130 v2 · 2018-09-26 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3COPXBQ5NG6C3X3ORUGXYRPXVI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:04:19.850698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d89cfb861d69bc2ddf6e8d0d7c45f7aa2360178f4289d690b5f1449ec8f495f3

Aliases

arxiv: 1809.10130 · arxiv_version: 1809.10130v2 · doi: 10.48550/arxiv.1809.10130 · pith_short_12: 3COPXBQ5NG6C · pith_short_16: 3COPXBQ5NG6C3X3O · pith_short_8: 3COPXBQ5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/3COPXBQ5NG6C3X3ORUGXYRPXVI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d89cfb861d69bc2ddf6e8d0d7c45f7aa2360178f4289d690b5f1449ec8f495f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba8333c55b8df009294a7eb4ff799a645969b4ffe70d0e90fb322df787ce18f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-26T17:26:03Z",
    "title_canon_sha256": "06c64e0d7fb9558f36998457777752741ae7c781f6321311c0d255d3455bd423"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10130",
    "kind": "arxiv",
    "version": 2
  }
}